AcoSail/kernel_optimize_test
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[AVR32] Simplify pte_alloc_one{,_kernel}

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There's really no need to retry an allocation with __GFP_REPEAT set.
Also, use get_zeroed_page() and __GFP_ZERO to eliminate the extra call
to clear_page() afterwards.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen 2007-08-03 13:29:01 +02:00
parent 5221b34edf
commit e7f3bac95e
1 changed files with 2 additions and 20 deletions
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22
include/asm-avr32/pgalloc.h
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@ -38,18 +38,9 @@ static inline void pgd_free(pgd_t *pgd)
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address) unsigned long address)
{ {
int count = 0;
pte_t *pte; pte_t *pte;
do { pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_REPEAT);
pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT);
if (pte)
clear_page(pte);
else {
current->state = TASK_UNINTERRUPTIBLE;
schedule_timeout(HZ);
}
} while (!pte && (count++ < 10));
return pte; return pte;
} }
@ -57,18 +48,9 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
static inline struct page *pte_alloc_one(struct mm_struct *mm, static inline struct page *pte_alloc_one(struct mm_struct *mm,
unsigned long address) unsigned long address)
{ {
int count = 0;
struct page *pte; struct page *pte;
do { pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
pte = alloc_pages(GFP_KERNEL, 0);
if (pte)
clear_page(page_address(pte));
else {
current->state = TASK_UNINTERRUPTIBLE;
schedule_timeout(HZ);
}
} while (!pte && (count++ < 10));
return pte; return pte;
} }